【单选题】Stepwise regression is a method to:
A.
eliminate insignificant variables from a multiple regression equation.
B.
select the best regression equation with a single independent variable.
C.
increase the total sum of squares.
D.
select independent variables to include in a multiple regression equation that increase the multiple coefficient of determination the most.
【多选题】Logistic regression is used for
【判断题】劳动既是我国公民的权利,也是义务。( )
【简答题】回归系数(regression coefficient)
【判断题】榆林窟内容十分丰富,有场面宏大的巨幅经变画,形象生动的单幅佛像画、装饰图案和种类繁多的奇花异草、飞禽走兽,还有一定数量的当时社会生活、生产、科技等现实画面。涵盖了从唐到元的历代佳作。
【单选题】______ is to check regression faults.
【简答题】A regression is a ______ movement along a line of print.